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Fresh-air control output
Signal linked to the indoor unit fan on can be output.
NOTE: In cold-air prevention control operation, the signal becomes off.
Circuit diagram example
Locally purchased
Indoor unit
control PCB
Connector
1
12 V
on/off
2
Signal
Relay
power
supply
Example: Fan
Connected unit
Example:
Relay unit
*10 m
• *: Make the distance from the PCB to the connected unit within 10 m.
• Relay spec: Rated DC 12 V, 50 mA or less.
On
Off
Operation
Stop
Indoor unit
Output signal
Optional part
Part name Model name Exterior
Fresh Air Intake Kit UTD-ECS5A
Fresh-air output wire
3-3. External output - (05-13) - 3. External input and output for indoor unit
FIELD
WORKING
FIELD
WORKING
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